AURUM Mechanical Cigar Hygrometer — 50 × 10 mm, Compact Case Format | Cigar Humidor
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Dans la boîte
- 1 Aurum mechanical hygrometer (50 × 10 mm)
Everything you need to know
The Aurum mechanical hygrometer is an ultra-compact 50 × 10 mm hygrometer — precise mechanical design for reliable readings, sized for cigar cases and small humidors.
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50 × 10 mm — ultra-compactThe most compact in the range — fits into the smallest cigar cases.
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Precise mechanical designReliable mechanism for consistent readings at all times.
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Cases and small humidorsIdeal size for cigars on the go — constant monitoring.
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Portable and elegant designDiscreet accessory that fits anywhere.
AURUM — the most compact hygrometer in the range
The Aurum is our most compact hygrometer — 50 × 10 mm. It slides into the smallest cigar cases and travel humidors. Discreet monitoring of your humidity levels everywhere.
| Name | Aurum Hygrometer |
| Type | Mechanical |
| Dimensions | 50 × 10 mm |
| Usage | Cigar case · small humidors |
Complete your cigar experience
Humidors & cigar boxesOptimal storage — full collectionCigar casesLeather, acrylic, aluminum — elegant transportCigar cuttersGuillotine, V-cut, punch, scissorsCigar lightersRefillable torch — full range
Frequently Asked Questions
What is the difference between the Aurum (50 mm) and the Prestige (59 mm)?
Both are mechanical hygrometers for cases. The Aurum (50 × 10 mm) is more compact — for the smallest cases. The Prestige (59 × 10 mm) is slightly larger — for standard cases. Both offer comparable mechanical precision.
Where should I place the Aurum hygrometer in my case or humidor?
Thanks to its 50 × 10 mm size, the Aurum fits where a standard hygrometer would not: in a cigar case, a travel box, or a small humidor. Ideally, place it at the level of the cigars, where the measurement most accurately reflects actual storage conditions. Avoid placing it directly against the humidifier, which would cause an artificially high reading. Orient the dial so you can read it at a glance upon opening. After installation, close the unit and let the atmosphere stabilize for a few hours before relying on the displayed value.
How do I check the accuracy of the Aurum?
The reference method is the salt test. Place a small cup of table salt, slightly dampened to the consistency of wet sand, inside an airtight bag or container with the hygrometer, without direct contact. Seal it and wait 6 to 12 hours at a stable temperature: the relative humidity will stabilize at approximately 75%. If the Aurum displays 72%, for example, you know it underestimates by 3 points: simply incorporate this offset into your readings. Like all mechanical instruments, it should be checked once or twice a year, or whenever the values seem inconsistent.
What humidity levels should I aim for?
For proper storage, aim for a relative humidity of 65 to 72%. Around 65%, cigars maintain a lively and even burn; towards 70%, they develop more aromatic roundness. Below 60%, they dry out, become brittle, and burn too quickly; above 75%, they are hard to draw and the risk of mold increases. In a travel case, the small volume reacts quickly: a regular glance at the Aurum allows you to correct in time by adding a humidity source or returning your cigars to your main humidor.
Why does the needle take time to stabilize?
This is the normal operation of a mechanical hygrometer. Its sensitive element reacts gradually to humidity changes, unlike a near-instantaneous electronic sensor. After installation or after opening for an extended period, allow a few hours for the needle to indicate a stable value. To judge the quality of your storage, rely on the reading taken with the case closed for a while, rather than one observed right after handling your cigars. This relative inertia has an advantage: it smooths out minor, temporary fluctuations and reflects the actual average humidity.
What is the difference between the Gold and Silver finishes?
The difference is purely aesthetic: both finishes offer the same mechanism, the same 50 × 10 mm format, and the same reading. The Gold finish adds a warm, classic touch, harmonizing with leather cases, varnished woods, and gold hardware. The Silver finish offers a more contemporary look, ideal for carbon fiber, aluminum, or metal-accented cases. Simply choose the one that best suits your case or the recipient's style: the reading precision remains identical.
Does the Aurum need a battery?
No. The Aurum is a mechanical hygrometer: it operates without batteries, recharging, or any electrical power. This is one of its major advantages for travel case use: no risk of running out of power just as you need to check your cigars, and no electronic maintenance required. Simply check it from time to time with a salt test to identify any potential offset. Just protect it from severe shocks and water, which could disrupt its mechanism, and it will last you for all your travels.


